jFransham

Achieving warp speed with Rust

Contents:

• Number one optimization tip: don't
• Never optimize blindly
• Don't bother optimizing one-time costs
• Improve your algorithms
• CPU architecture primer
• Keep as much as possible in cache
• Keep as much as possible in registers

nitrag

#!/bin/bash
#
# sudo apt-get install id3v2 ffmpeg
#
# USAGE: 
# cd /book title/
# bash ~/this_script_path.sh
# rm *.m4b (you need to manually remove the original in case something goes wrong)
#
#

linuxkathirvel

How to assign PrtScr(Print Screen) key to Flameshot screenshot tool in Gnome 3?

1. Goto Keyboard settings and click 'Save a screenshot to Pictures' under 'Screenshots' section.
2. Press 'Backspace' key delete 'PrtScr' key shortcut and press 'Set' button
3. Press '+'(Plust) icon in the 'Custom Shortcuts' in the same window
4. Enter 'Flameshot' in 'Name' field , 'flameshot gui' in 'Command' field, and click 'Set Shortcut' button and press 'PrtScr' button in the keyboard and close the dialog box 5.That's it. If you press 'PrtScr' key, the Flameshot selection area screen will appear.

andrewrk

andy@ark ~/tmp> gcc -o hello hello.c
andy@ark ~/tmp> strace ./hello
execve("./hello", ["./hello"], 0x7ffe96b5ddb0 /* 62 vars */) = 0
brk(NULL)                               = 0x2129000
access("/etc/ld-nix.so.preload", R_OK)  = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/xg6ilb9g9zhi2zg1dpi4zcp288rhnvns-glibc-2.30/lib/tls/haswell/x86_64/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/xg6ilb9g9zhi2zg1dpi4zcp288rhnvns-glibc-2.30/lib/tls/haswell/x86_64", 0x7fff2bd55cc0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/xg6ilb9g9zhi2zg1dpi4zcp288rhnvns-glibc-2.30/lib/tls/haswell/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/xg6ilb9g9zhi2zg1dpi4zcp288rhnvns-glibc-2.30/lib/tls/haswell", 0x7fff2bd55cc0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/xg6ilb9g9zhi2zg1dpi4zcp288rhnvns-glibc-2.30/lib/tls/x86_64/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or dire